Etymology

ulcerative

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Today it means: Composed of, or causing ulcers Full definition →

English ulcerate ← Latin ulcerō ← Old Latin *olcos
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The story

  1. Proto-Indo-European*h₁élḱos
  2. Proto-Italic*elkos
  3. Old Latin*olcos
  4. Latinulcus
  5. Latinulcerō
  6. Englishulcerate
  7. English todayulcerative

From ulcerate + -ive.

Etymology from Wiktionary, CC BY-SA 4.0.